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Impact of Arbuscular Mycorrhiza symbiosis on photosynthesis in Medicago truncatula
Linköping University, Department of Physics, Chemistry and Biology, Molecular genetics. Linköping University, The Institute of Technology.
2011 (English)Independent thesis Advanced level (degree of Master (Two Years)), 80 credits / 120 HE creditsStudent thesis
Abstract [en]

The Arbuscular mycorrhiza (AM) symbiosis is a mutual association formed by plant roots and soil fungi. Most vascular flowering plants have the ability to form AM associations, which show significant impact on ecosystem function and plant health. This association is based on the mutual exchange of nutrients between plant and fungus. Therefore, AM association leads to increased demands for photosynthesis. The main aim of this study was to investigate the pathway used by plants during AM to increase the photosynthetic performance. To achieve this aim, we used the model legume Medicago truncatula. We have found out that AM symbiosis develops in roots, where AM fungi colonize the roots, leading to better plant growth and more biomass. Furthermore, AM symbiosis increases chlorophyll content and photosynthetic electron transport rate in leaves. Based on these results we suggest that AM symbiosis increases both efficiency and capacity of photosynthetic apparatus in Medicago truncatula

Place, publisher, year, edition, pages
2011. , 16 p.
Keyword [en]
Arbuscular Mycorrhiza, Medicago truncatula, ETR
National Category
Other Natural Sciences
URN: urn:nbn:se:liu:diva-75073ISRN: LiTH-IFM-A-EX-11/2440-SEOAI: diva2:503519
Subject / course
Microbiology and Molecular Genetics
Agriculture, Veterinary Medicine, Forestry
Available from: 2012-02-16 Created: 2012-02-15 Last updated: 2012-02-16Bibliographically approved

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Mettupalli, Dhanunjaya Reddy
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